Schematic Diagram (Base Unit_Rf) - Panasonic KX-TG7741S Service Manual

KX-TG7741S/KX-TG7742S/KX-TG7743S/KX-TGA470S

14.3. Schematic Diagram (Base Unit_RF)

ANT_1
ANT1_TP
GND
C851
10p
GND
W 0.15mm
L 22+/-4mm
GND
1st or 4th layer
GND
W 0.15mm
L 5.0mm
1st layer
GND
DA802
GNDGND
GND GND
GND
GND
2
C803
3
1
1.5p
DA801
GND GND GND
BPF W 0.15mm
L 5.0mm
1st layer
C814
10p
KX-TG7741/7742/7743 SCHEMATIC DIAGRAM (Base Unit_RF)
ANT_2
ANT2_TP
GND
C853
10p
GND GND
W 0.15mm
L 22+/-4mm
GND
1st or 4th layer
W 0.15mm
L 20+/-2mm
3rd layer
R807
220
GND
C826
10p
GND
W 0.125mm
GND
+3.0V
L 7.6mm
Gap 0.125mm
1st layer
GND
GND
W 0.15mm
L 20+/-1mm
3rd layer
R801 C812
GND
18 NC
GND GND
R806
TXON
220
W 0.15mm
L 20+/-2mm
3rd layer
GND
74
RXON
GND
C863
RF_RXn
7p
from Handset
C864
RF_RXp
7p
to Handset
Pre-matching
RF_TXp
RF_TXn
GND
GND
NC
ZA1
10 9 8 7
11
6
12
1 2 3 4 5
GND
NC: No Components